Cache favicons

lib/screens/bookmarks/provider/favicon_loader.provider.dart

@@ -0,0 +1,47 @@
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+import 'package:favicon/favicon.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+import 'package:linkdy/screens/bookmarks/model/favicon_loader.model.dart';
+
+import 'package:linkdy/models/favicon_item.dart';
+
+part 'favicon_loader.provider.g.dart';
+
+@riverpod
+FutureOr<FaviconItem?> fetchFavicon(FetchFaviconRef ref, String bookmarkUrl) async {
+  final exists = ref.watch(faviconStoreProvider).favicons.where((favicon) => favicon.url == bookmarkUrl).toList();
+  if (exists.isNotEmpty) {
+    return exists[0];
+  }
+
+  final faviconResult = await FaviconFinder.getBest(bookmarkUrl);
+  if (faviconResult == null) {
+    return null;
+  }
+
+  final result = await http.get(Uri.parse(faviconResult.url));
+  if (result.statusCode == 200) {
+    final faviconItem = FaviconItem(
+      url: bookmarkUrl,
+      favicon: faviconResult.url.contains("svg") ? result.body : base64.encode(result.bodyBytes),
+      isSvg: faviconResult.url.contains("svg"),
+    );
+    ref.read(faviconStoreProvider).favicons.add(faviconItem);
+    return faviconItem;
+  } else {
+    return null;
+  }
+}
+
+@Riverpod(keepAlive: true)
+class FaviconStore extends _$FaviconStore {
+  @override
+  FaviconLoaderModel build() {
+    return FaviconLoaderModel(
+      favicons: [],
+    );
+  }
+}